Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'eedab6214caeedb8734bceb87770e35e1d6e91e5bcd1f876efac93d2960527bb' 
  AND token = '+PTkdH3IPrqvL2p212weUFAhiFlQnq22c/7ZDm7rS7c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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