Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '930e2670d25afc8360c1be1c17ec86a62c79cd6fb15731319045370e2e417100' 
  AND token = 'puE0dcf7fsxN7+xcSLFTX/K43uKHF942kC3HsWW/oro=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00045

JSON explain

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