UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BllVhDmeDTUe5u+6q/5yFgpeN3tJgI62jyhy0/bJwzo=' 
WHERE 
  key_id = '51a87316092f8fa346ec1de71446cafb5598d1e881a482fec76491a2929a035e' 
  AND (
    token = 'BllVhDmeDTUe5u+6q/5yFgpeN3tJgI62jyhy0/bJwzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )