UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G8qIRNf1D4IVy1j21yZdtap9AWfLX5htb5S3EiuKsBY=' 
WHERE 
  key_id = '2df9979bbef62997e630f686f6e1b5321f79b2a274baee35762d4e0baaaee6d9' 
  AND (
    token = 'G8qIRNf1D4IVy1j21yZdtap9AWfLX5htb5S3EiuKsBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )