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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '95a3122b1a2048f090f03c3eead4d5a68f53344e6436800a8cbd621be08d396c' 
  AND token = 'q10bZ/0pwEy5FCdDkyqfVebdw4zjz4l4TY4mUG5yWv8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00132

JSON explain

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