UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'enhjbUoYvwKSW3+3hKgdQm/fHM6TCywyTunrYDjwXNk=' 
WHERE 
  key_id = '74994d893295322fd2030154a09535d3a65c287952c14a0e7262ae0d51b536f9' 
  AND (
    token = 'enhjbUoYvwKSW3+3hKgdQm/fHM6TCywyTunrYDjwXNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )