UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qea+qTM1GY7AJc095xRGXCWg3lsr1FH9q96IejHoqZk=' 
WHERE 
  key_id = '49bd3ba5672dddeec2876d52634e85d25379e44c2c1e0225e890a8f8c589fd34' 
  AND (
    token = 'qea+qTM1GY7AJc095xRGXCWg3lsr1FH9q96IejHoqZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )