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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7180fb713369b692e00e19ac232576292c6cf2d70e0b44cd0ae3ca31257720fe' 
  AND token = 'N7w/IZic3IEsjkgxN/i9x8eK8HpJHZccHhesHopQ85g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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