UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6mVaJuCktBtcsgH3+toPlJ0NqyBw4qumml34nndAU0=' 
WHERE 
  key_id = '29e0c2af1f31ca040aae243e84d4a06ee6db09149af9a8fa28e46875d05ac7a2' 
  AND (
    token = 'r6mVaJuCktBtcsgH3+toPlJ0NqyBw4qumml34nndAU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )