UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O/9osZWjJbp1ftmHN6NQowFHfoMEfXNEwBVnLFpLQi4=' 
WHERE 
  key_id = '3c935d7a6b575b41817b8cacfbd3169d6801e3e9f3db940f646db38003e44fe3' 
  AND (
    token = 'O/9osZWjJbp1ftmHN6NQowFHfoMEfXNEwBVnLFpLQi4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )