UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oL4W0wylHZdS64WfCpPE4DEdFw19oh8oAePI+y+k2Ek=' 
WHERE 
  key_id = '50d9951950f6438df95797798fe07876af454ebed12c7f4503b1d16319879b0f' 
  AND (
    token = 'oL4W0wylHZdS64WfCpPE4DEdFw19oh8oAePI+y+k2Ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )