UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wK9/HLZe9sm3qlRT6jSyeMl+8snApAahAAuFD5W8QCI=' 
WHERE 
  key_id = 'f0940e8adc8a14b77740e253c42be44ee7eb37ee44a75483dca6dee1a5a4f8a4' 
  AND (
    token = 'wK9/HLZe9sm3qlRT6jSyeMl+8snApAahAAuFD5W8QCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023