UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7W2G4jOpmRyd2oPQz2LQbL1eLY0PXeftKkRUU03p6PA=' 
WHERE 
  key_id = 'b15b0d560381c4a83414cd68b4a64d924909b33537ad7d544449ce34bef3493a' 
  AND (
    token = '7W2G4jOpmRyd2oPQz2LQbL1eLY0PXeftKkRUU03p6PA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )