UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zg0unN4QXVX8mGU+2tLJQDGczIbt1AnKhn3AwpL8YGc=' 
WHERE 
  key_id = '75f0d0639d0ff5a1978326cfc6690ec5ceacdab5bb2c08da65113b0114921f67' 
  AND (
    token = 'Zg0unN4QXVX8mGU+2tLJQDGczIbt1AnKhn3AwpL8YGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )