UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nsRvnXTBGERrSepcsPCLbwPu4E00ce6NcMlJSxLU/Fk=' 
WHERE 
  key_id = '7c786a572825af80977bfbe3d5d266da819009c2e300dda9d1503cd152841b2a' 
  AND (
    token = 'nsRvnXTBGERrSepcsPCLbwPu4E00ce6NcMlJSxLU/Fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )