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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '95beab56c1268622a2b04aa1535fa372f718890e315fec4fb03a93112e1f5440' 
  AND token = 'Lvqclm6N2q+Y/XK2yYf+UJP+EQ1+TajKSOJOu5DDEB4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00169

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}