Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'abdda28756f525e19c6ef720efafbe8cb14af78f0b6c4d4c0b68dd054c3f4004' 
  AND token = 'c6GU2WQeaEZY49muQp5iwBU7sYemOYjF0yUqT6MZ7P0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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