UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtThxt2fIXGSclYSuJpyLKs7vj9PDN5FArEM7cXio14=' 
WHERE 
  key_id = '875f7d9252a6ded48c6f4378f9f31dbcc558ed2fc011656c7d9d465103e44cf8' 
  AND (
    token = 'mtThxt2fIXGSclYSuJpyLKs7vj9PDN5FArEM7cXio14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )