UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eiL+2w7tL5eHobMj7BG2gm1OHBZX8gDyoLoFMPPQZao=' 
WHERE 
  key_id = '6ac28632802e5a1b3e20dff5668ade2856c452455a7a6e7b837b0142addff0a3' 
  AND (
    token = 'eiL+2w7tL5eHobMj7BG2gm1OHBZX8gDyoLoFMPPQZao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )