INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '45a47192ead05e4211f0bf73c555226a3d18ec38d44c5e672f3d067773ffad01', 
    'UGzjo5uLDcmjPMRSdng4OKqsrjcYL2CAuFLJ2kSkCU8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00060

Result

int(1)