INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4243d964126260a8bde4f2e204664723c3c264c4a0f70b6e92c2259e7bed07f4', 
    '8k7BABrW65RH6M02MtfVupa5oVgS2Xt8kt7dteEn0PM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)