UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6hqFPy/L6ai934y3ePwU73SN4GF0Bqr9QZquSDDkjn0=' 
WHERE 
  key_id = 'a38a59337e70d4d17602034cf226440be4a649b85718f6aae6e9fe8d3f277b03' 
  AND (
    token = '6hqFPy/L6ai934y3ePwU73SN4GF0Bqr9QZquSDDkjn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )